Home / 56,820.40-84,792.70-49,909.48

Finding the Fourth Proportional to 56,820.40, 84,792.70 and 49,909.48

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Solution

The fourth proportional to 56,820.40, 84,792.70 and 49,909.48 is: 74,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,820.40 : 84,792.70 = 49,909.48 : x
  2. Step 2: Convert to fraction form
    56,820.40/84,792.70 = 49,909.48/x
  3. Step 3: Cross multiply
    56,820.40x = 84,792.70 × 49,909.48
  4. Step 4: Simplify right side
    56,820.40x = 4,231,959,564.80
  5. Step 5: Solve for x
    x = 4,231,959,564.80/56,820.40
  6. Step 6: Final answer
    x = 74,479.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.